Home / 56,918.13-78,553.91-32,394.90

Finding the Fourth Proportional to 56,918.13, 78,553.91 and 32,394.90

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Solution

The fourth proportional to 56,918.13, 78,553.91 and 32,394.90 is: 44,708.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,918.13 : 78,553.91 = 32,394.90 : x
  2. Step 2: Convert to fraction form
    56,918.13/78,553.91 = 32,394.90/x
  3. Step 3: Cross multiply
    56,918.13x = 78,553.91 × 32,394.90
  4. Step 4: Simplify right side
    56,918.13x = 2,544,746,129.66
  5. Step 5: Solve for x
    x = 2,544,746,129.66/56,918.13
  6. Step 6: Final answer
    x = 44,708.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.